Postfix/DMARC ログ集計レポート 2025-12-12 14:00

Postfix 拒否ログ 上位理由

• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.46]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.197]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.210.41]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.240.209]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.52.166]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.26]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.31]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.178.244.224]: 1

DMARC 失敗送信元 上位

1. 過去7日間のDMARC失敗はありません。